Delaware · Investor Owned
Delmarva Power
18.16¢ per kWh, bundled, EIA-861 2025. Average bill $161.72 at 890.5 kWh a month, across 278,793 customers on that row.
Delaware averaged 17.15¢/kWh and $157.80 a month. The United States averaged 17.23¢/kWh and $150.68. State and national figures come from EIA's Average Bill file.
Revenue divided by sales, EIA-861 Sales to Ultimate Customers, 2025, released October 7, 2026. Texas wires utilities come from the Delivery Companies file. The price and bill use bundled service. Customer count: 278,793, the largest residential count across service types.
Estimate a bill
The figure below is this utility's 2025 EIA residential average.
2025 EIA average
$181.60
18.16¢/kWh × 1,000 kWh. Bundled residential average, EIA-861 2025. The customer charge is already folded into this average, so it stands beside a tariff total rather than being added to it.
Other service rows
Delivery and bundled prices cover different charges, so they are listed separately.
| Row | ¢/kWh | Bill | kWh | Customers |
|---|---|---|---|---|
| Delivery only | 7.61¢ | $64.01 | 841.4 | 26,556 |
Annual history
| Year | ¢/kWh | Avg. bill | Avg. kWh | Customers |
|---|---|---|---|---|
| 2015 | 13.70¢ | $129.28 | 943.7 | 245,888 |
| 2016 | 13.68¢ | $125.26 | 915.6 | 249,249 |
| 2017 | 13.78¢ | $120.91 | 877.7 | 250,373 |
| 2018 | 12.51¢ | $117.38 | 938.3 | 256,542 |
| 2019 | 12.36¢ | $113.00 | 914.5 | 260,007 |
| 2020 | 12.29¢ | $111.31 | 905.7 | 259,740 |
| 2021 | 12.41¢ | $113.83 | 917.1 | 262,299 |
| 2022 | 13.38¢ | $122.70 | 917.2 | 268,944 |
| 2023 | 15.73¢ | $133.17 | 846.8 | 272,780 |
| 2024 | 17.23¢ | $152.26 | 883.6 | 275,018 |
| 2025 | 18.16¢ | $161.72 | 890.5 | 278,793 |
EIA-861, 2015–2025, using the same service type as the 2025 figure. A blank year means that service was not in the file.
Counties
Kent, New Castle, Sussex.
EIA-861 Service Territory, 2025. A listed county is the county EIA recorded. It does not mean every address in the county is served. Open this utility in the bill calculator · Rate history tool